In Japan, the guideline value for the concentration of indoor formaldehyde was set up in 1997. It was 0.08 ppm as the 30-minute average value, which was the same as the guideline value of WHO. At the same time, the sampling method in a newly built or renovated house was also described in the guideline. However, there have been only a few cases in which the concentration change of indoor formald...

Title of Document: DIHYDROPYRROLE FORMATION DURING SIBIROMYCIN BIOSYNTHESIS Shalini Saha, Doctor of Philosophy 2015 Directed By: Professor Steven E. Rokita, Department of Chemistry and Biochemistry A description of pyrrolo[1,4]benzodiazepine (PBD) biosynthesis in actinomycetes is a prerequisite for engineering production of analogs with enhanced antitumor activity. Several proteins expected to ...

Polysaccharides that make up plant lignocellulosic biomass can be broken down to produce a range of sugars that subsequently can be used in establishing a biorefinery. These raw materials would constitute a new industrial platform, which is both sustainable and carbon neutral, to replace the current dependency on fossil fuel. The recalcitrance to deconstruction observed in lignocellulosic mater...

Carbohydrates are major components of marine organic matter, but few molecular-level carbohydrate analyses in seawater have been undertaken owing to the low concentrations of individual compounds. This paper presents novel data on aldose compositions and concentrations in various size fractions of particulate and dissolved organic matter from the equatorial Pacific. Samples of high-molecular-we...

Pathogenic microorganisms often reside in glycan-based biofilms. Concentration and chain length distribution of these mostly anionic exopolysaccharides (EPS) determine the overall biophysical properties a biofilm result highly viscous environment. Bacterial communities regulate this state via intracellular small-molecule signaling to initiate EPS synthesis. Reorganization or degradation glycan ...